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Displaying Date by weekday name

import static java.util.Calendar.DATE; import static java.util.Calendar.DAY_OF_WEEK; import static java.util.Calendar.MONTH; import static java.util.Calendar.YEAR; import java.text.DateFormatSymbols; import java.util.GregorianCalendar; public class MainClass {   public static void main(String[] args) {     GregorianCalendar birthdate = new GregorianCalendar(1999, 1, 1);     GregorianCalendar today = new GregorianCalendar(); // Today's date     GregorianCalendar birthday = new GregorianCalendar(today.get(YEAR), birthdate.get(MONTH),         birthdate.get(DATE));     int age = today.get(today.YEAR) - birthdate.get(YEAR);     String[] weekdays = new DateFormatSymbols().getWeekdays(); // Get day names     System.out.println("You were born on a " + weekdays[birthdate.get(DAY_OF_WEEK)]);     System.out.println("This year you " + (birthday.after(today) ? " will be " : "are ") + age         + " years old.");     System.out.println("In " + today.get(YEAR) + " your birthday "         + (today.before(birthday) ? "will be" : "was") + " on a "         + weekdays[birthday.get(DAY_OF_WEEK)] + ".");   } } You were born on a Monday This year you will be 8 years old. In 2007 your birthday will be on a Thursday.